On Tue, 9 Nov 2021 08:09:42 -0500, Michael S. Tsirkin wrote:
> On Mon, Nov 08, 2021 at 07:49:49PM +0800, Xuan Zhuo wrote:
> > In the case of using indirect, indirect desc must be allocated and
> > released each time, which increases a lot of cpu overhead.
> >
> > Here, a cache is added for indirec
On Mon, Nov 08, 2021 at 07:49:49PM +0800, Xuan Zhuo wrote:
> In the case of using indirect, indirect desc must be allocated and
> released each time, which increases a lot of cpu overhead.
>
> Here, a cache is added for indirect. If the number of indirect desc to be
> applied for is less than desc
In the case of using indirect, indirect desc must be allocated and
released each time, which increases a lot of cpu overhead.
Here, a cache is added for indirect. If the number of indirect desc to be
applied for is less than desc_cache_thr, the desc array with
the size of desc_cache_thr is fixed a